Effective infiltration assessment in Kourtaliotis karstic basin (S. Crete)

Steiakakis, E.; Monopolis, D.; Vavadakis, D.; Lambrakis, N.

doi:10.1007/978-3-642-19902-8_57

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…The climate is of the Mediterranean type with mean annual precipitation of about 1310 mm. Steiakakis et al (2011) [25] studied monthly rainfall data collected from six rain gauges stations installed in the area, which are found under comparable climatic conditions. A 20-year time series of precipitation data was initially checked for continuity and consistency by the double-mass curve technique.…”

Section: Hydrogeological Settingmentioning

confidence: 99%

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Evaluation of Exploitable Groundwater Reserves in Karst Terrain: A Case Study from Crete, Greece

Steiakakis

2018

Geosciences

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Karst systems constitute valuable freshwater resources in Crete island, a region of Greece that is threatened by water scarcity. The present work refers to evaluation of the available groundwater potential in a karst terrain and contributes to providing adequate quantities of fresh water to the central southern Crete (Rethimno prefecture). The available groundwater potential was estimated by combining conventional hydrogeological approaches and an analysis of hydrographs of Kourtaliotis spring that drains the system. The research procedure contributed to the three-dimensional understanding of the karst system and provided reasonable estimates regarding the groundwater reserves in the area. The geological (permanent) storage in the karstified system was estimated to 415 × 10 6 m 3 while the dynamic reserves were calculated equal to 43 × 10 6 m 3 . Based on the research results, it is considered possible to pump annually an amount of 21-29 × 10 6 m 3 over the quantities of water which naturally outflow from Kourtaliotis spring, in order to satisfy the water demands in the region. The study provides a valuable guidance on predicting the groundwater reserves in aquifers with similar hydrogeological regime.

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Section: Hydrogeological Settingmentioning

confidence: 99%

“…Due to the lack of meteorological data for estimation of evapotranspiration in the region, the coefficient of effective infiltration and consequently the amount of the annual recharge of the karst system was determined by hydrologic balance calculations [25].…”

Section: Hydrogeological Settingmentioning

confidence: 99%

Evaluation of Exploitable Groundwater Reserves in Karst Terrain: A Case Study from Crete, Greece

Steiakakis

2018

Geosciences

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Regional scale hydrologic modeling of a karst-dominant geomorphology: The case study of the Island of Crete

Malagó

Efstathiou

Bouraoui

et al. 2016

Journal of Hydrology

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Crete Island (Greece) is a karst dominated region that faces limited water supply and increased seasonal demand, especially during summer for agricultural and touristic uses. In addition, due to the mountainous\ud terrain, interbasin water transfer is very limited. The resulting water imbalance requires a correct quantification of available water resources in view of developing appropriate management plans to face\ud the problem of water shortage. The aim of this work is the development of a methodology using the SWAT model and a karst-flow model (KSWAT, Karst SWAT model) for the quantification of a spatially and temporally explicit hydrologic water balance of karst-dominated geomorphology in order to assess the sustainability of the actual water use. The application was conducted in the Island of Crete using both hard (long time series of streamflow\ud and spring monitoring stations) and soft data (i.e. literature information of individual processes). The KSWAT model estimated the water balance under normal hydrological condition as follows:\ud 6400 Mm3/y of precipitation, of which 40% (2500 Mm3/y) was lost through evapotranspiration, 5% was surface runoff and 55% percolated into the soil contributing to lateral flow (2%), and recharging the shallow\ud (9%) and deep aquifer (44%). The water yield was estimated as 22% of precipitation, of which about half was the contribution from spring discharges (9% of precipitation). The application of the KSWAT\ud model increased our knowledge about water resources availability and distribution in Crete under different hydrologic conditions. The model was able to capture the hydrology of the karst areas allowing a better\ud management and planning of water resources under scarcity

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Effective infiltration assessment in Kourtaliotis karstic basin (S. Crete)

Cited by 2 publications

References 2 publications

Evaluation of Exploitable Groundwater Reserves in Karst Terrain: A Case Study from Crete, Greece

Evaluation of Exploitable Groundwater Reserves in Karst Terrain: A Case Study from Crete, Greece

Regional scale hydrologic modeling of a karst-dominant geomorphology: The case study of the Island of Crete

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